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Finding the Fourth Proportional to 556,685.70, 835,028.55 and 556,685.70

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Solution

The fourth proportional to 556,685.70, 835,028.55 and 556,685.70 is: 835,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,685.70 : 835,028.55 = 556,685.70 : x
  2. Step 2: Convert to fraction form
    556,685.70/835,028.55 = 556,685.70/x
  3. Step 3: Cross multiply
    556,685.70x = 835,028.55 × 556,685.70
  4. Step 4: Simplify right side
    556,685.70x = 464,848,452,876.74
  5. Step 5: Solve for x
    x = 464,848,452,876.74/556,685.70
  6. Step 6: Final answer
    x = 835,028.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.